Developing unit for an image forming apparatus



FIG. 1 is a top, front and right side perspective view of a developing unit for an image forming apparatus according to our design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a left side elevational view thereof. 

The ornamental design for a developing unit for an image forming apparatus, as shown and described. 